Iconic Highway 1 Stretch Near Big Sur Could Reopen by End of July

The crucial road that connects Los Angeles to San Francisco was projected to open in mid-September, but Caltrans announced Tuesday, June 12, 2018, it will open to all travelers by the end of July. (John Sepulvado/KQED)

The road that connects Los Angeles to San Francisco was projected to open in mid-September, but the California Department of Transportation announced Tuesday it will open to all travelers by the end of July.

"Rebuilding Highway 1 and restoring traffic along the Big Sur coast has been our priority. And by opening the highway sooner than expected, it will boost the many Central Coast communities affected by this major landslide," said Richard Rosales, an acting district director.

Highway 1 has been dogged by slides since December 2016, but the one that hit in May 2017 was monumental. Millions of tons of earth moved, displacing 75 acres (30 hectares) of land.

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The debris slid well out into the ocean, creating 15 acres (6 hectares) of new coastline about 9 miles (14.5 kilometers) north of the Monterey-San Luis Obispo county line.

The transportation Department has since been working to stabilize the slide to rebuild the highway over it. The $54 million project included building a massive rock seawall at the foot of the slide.

This strategy is allowing roadway rebuilding more quickly and at a lower cost than other alternatives such as structures, a tunnel or major earthwork that puts additional fill into the ocean, the transportation department said.

The work is being done about 25 miles (40 kilometers) south of where another segment of the highway was blocked when a storm-spawned landslide wrecked a bridge in early 2017.

Last October, a replacement span designed without support columns was opened that could be vulnerable to future slides.